Your partner in M&E

Welcome to WS official website.

Wadah Sejati Sdn Bhd (533107-W) established in 2001, a registered M&E Contractor with MOF, Suruhanjaya Tenaga, CIDB. Wadah Sejati is a truly reliable M&E Contractor specializes in multiple areas of expertise, from various power network systems to cooling system, and the ability to put them all together.

National Presence

With a national presence and experience that spanning to East Malaysia, Wadah Sejati is advantageously positioned with the infrastructure and knowledge to provide integrated product solutions within Malaysia.

Proven Operation Management Model

Wadah Sejati has a proven operation management model and track record of growth throughout the years with on-going commitment and improving on services by investing in technical skill training and equipment.


Why WS

With our expertise, lean processes and national reach, we can call upon our subject matter experts from various disciplines around the country for specific solutions.

WS proud customers

Under construction


Renewable Energy

Empowering societies with stable power supply through clean energy resources.

Energy providers and consumers need more than ‘demonstration’ or ‘experimental’ energy storage systems. They benefit far more from economically and operationally proven equipment they can rely on for years to come.

  • Safe

  • Economical

  • Reliable

  • Customisable

more info

WS currently providing Energy Storage System to the national security facilities in ESSZONE

Uninterruptible Power Supply

Clean, reliable and energy efficient power

  • High Frequency and Double Conversion On-line Technology

  • Advance PFC Technology

  • EPO Function

  • Fully Digitized Microprocessor Control

more info

Our Next Generation UPS has the ability to fulfil your network power requirements to protect your highly sensitive IT infrastructure to keep your business going at full speed.

From protection from laptops to high-availability facilities -and everything in between- WS is the partner you can count on!

Power Generation

Powering your home, business, life.

WS provides efficient, fully-integrated power generation systems built for reliability in uncertain circumstances. From homes to hospitals, and data centers to communication towers, our power generation products inspire confidence and keep the power on!.

more info

DC Power System

The power you can count on

You need power you can count on and WS DC power solutions deliver. Long known for reliability in telecommunications networks, DC power is also providing to be a viable alternative for IT networks.

Our DC power solutions offer both efficient power protection with unit-level redundancy and easy connectivity with renewable energy sources.

more info

Data Center Cooling System

Cooling system improves data center efficiency and protection.

Cooling system is crucial to achieve the highest levels of equipment reliability and performance efficiency, it is important to remember that the reliability and cost effectiveness of any cooling system is largely dependent upon proper service and maintenance.

High sensitivity of electronic components in that temperature, humidity, air movement and air cleanliness must be kept consistent and within specific limits.

more info
  • Precision cooling systems

  • Efficient, precise, reliable control of room temperature

  • Humidity and airflow for proper operation of critical electronic equipment.

  • Optimal data center design specifically for server room




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Wadah Sejati HQ

No. 21& 23, Jalan Musytari AP U5/AP,
Subang Impian Business Park,
Section U5,
40150 Shah Alam, Selangor.

Phone: +603-7840 0994
Email: info@wadahsejati.com
Web: wadahsejati.com

WS : Southern Region

No.305, Jalan Utama 3, Taman Bukit Utama,
81400 Senai, Johor

WS Borneo Region

WS : Kuching, Sarawak

SL 5 Jalan Penrissen 4 ½ Mile New Expressway, Kuching City Mall PH 7 93250 Kuching Sarawak

WS : Kota Kinabalu, Sabah

Lot C8, Block C, Ground Floor, Cyber Square Shoplot, Jalan Lintas Kepayan, Kota Kinabalu, Sabah